Why Replace a Washing Machine Tap Washer?
Alright, let’s have a quick heart-to-heart. That constant drip-drip-drip from your washing machine tap is not just an annoying soundtrack; it’s a sneaky water-waster, a potential bill-increaser, and frankly a test of your patience. A leaking tap washer is the usual suspect behind these mini indoor waterfalls, but the good news is you can fix it yourself. No plumber, no drama.
Ready to roll up your sleeves? We’re diving into the exact DIY steps to replace your washing machine tap washer like a pro — saving water and maybe even your sanity. Let’s get to it!
What You’ll Need Before Diving In
- Adjustable spanner or wrench
- Screwdriver (usually a flat-head or Phillips, depending on your tap handle)
- Replacement washer (take the old one to your local hardware store to match the size and type)
- Silicone grease (optional but recommended for smooth reassembly)
- Penetrating oil (optional, for stubborn or corroded parts)
- Hammer (for gentle tapping if parts are stuck)
- Clean cloth to wipe up any drips
Step 1: Turn Off the Water Supply
First thing’s first — shut off that water. Locate your home’s mains water shut-off valve (usually near the water meter or where water lines enter your home) and turn it off. If you’re not sure where it is, follow your water pipes or check your utility area.
With the water off, open the washing machine tap and let any remaining water drain out. This relieves pressure and avoids surprise sprays mid-fix, which, trust me, nobody wants.
Step 2: Access the Tap Washer
Now for some disassembly—you’ll want to remove the tap handle first. This usually means prying off or unscrewing a small button or cap at the top of the handle to reveal the screw underneath. Keep these tiny bits safe; they’re easy to lose and essential for putting everything back together.
Using your screwdriver, remove the handle screw, then gently pull the handle away from the tap body. You’re now looking at the spindle — the heart of the tap’s operation.
Grab your adjustable spanner or wrench and carefully unscrew the spindle counterclockwise. Sometimes these can be stubborn from mineral buildup or rust. If it refuses to budge, a few gentle taps with a hammer on the wrench handle or applying penetrating oil for 10–15 minutes can work wonders.
Step 3: Remove and Identify the Old Washer
Once the spindle is out, take a look at the bottom end. You’ll find a small rubber or plastic washer held in place by a retaining nut or clip. Remove this carefully with pliers or a screwdriver.
Be sure to take the old washer with you when you head to buy a replacement to ensure an exact match. Mismatched washers are a notorious cause of ongoing leaks.
Step 4: Install the New Washer
Place your shiny new washer into the groove where the old one lived. If you want your future self to thank you, put a dab of silicone grease on the washer and the spindle threads. It helps keep things smooth and prevents wear down the line.
Reassemble all the parts: secure the retaining nut, screw the spindle back into place (don’t Hulk-smash it—tight enough to be snug is the goal), replace the handle, and screw any caps or buttons back on.
Step 5: Test and Confirm the Fix
Turn your mains water supply back on slowly, then gently close the tap. Watch closely—or better yet, listen—to confirm that the dreaded drip has stopped. If there’s still leaking, the valve seat inside the tap or an O-ring might be worn out, which means another trip to the hardware store or professional help.
Troubleshooting and Pro Tips
- Stuck Spindle: Don’t force it. Use some penetrating oil and patience, or tap gently with a hammer to loosen rust.
- Persistent Leaks: If replacing the washer doesn’t help, check for damage to the valve seat inside the tap—it may need grinding or replacement.
- Leaks Around the Spindle: Sometimes the leak isn’t the washer but an O-ring or fibre washer around the spindle. Inspect and replace if necessary.
Safety Notes
Always make absolutely sure the water supply is off to avoid surprises. Also, don’t overtighten parts—excessive force can strip threads and cause bigger issues than a drip.
Bonus: When DIY Isn’t Enough
If you’ve tried everything and that tap’s still leaking like a sieve, it might be time to consult a professional or consider replacing the entire tap. For related DIY repairs, like replacing washing machine inlet valves or single-lever valves, check out our guides—because once you’re elbow-deep in plumbing, why stop now?
For example, our How to Replace a Washing Machine Inlet Valve: A DIY Guide shares smart tips for tackling other common washing machine water issues without calling in the cavalry.
Need a Washer? Here Are Your Go-To Links
No need to research endlessly — here are some reliable options for washer replacements and essential tools:
So there you have it — a no-nonsense, no-plumber-needed guide to replacing your washing machine tap washer. Go ahead, fix that drip, save some water and money, and maybe avoid that awkward family meeting about the rising water bill. You feel me?

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